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Rotor Blade

Rotor Blade-related patent applications - as published by the U.S. Patent and Trademark Office (USPTO).


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Systems and methods for separating rotor blade cuffs from rotor blade bodies
Sikorsky Aircraft Corporation
October 12, 2017 - N°20170291724

A rotor blade disassembly method includes applying spanwise support to a rotor blade body and heating a bond disposed on an end of the rotor blade body. The method also includes removing the spanwise support from the rotor blade body and exerting shear stress on the bond using weight of the rotor blade body. A blade disassembly system is also ...
Dual rotor, rotary wing aircraft
Sikorsky Aircraft Corporation
October 12, 2017 - N°20170291699

A main rotor blade assembly for a rotary wing aircraft is provided including a main rotor blade root region, a main rotor blade inboard region arranged outboard of said main rotor blade root region, a main rotor blade main region arranged outboard of said main rotor blade inboard region, and a main rotor blade tip region arranged outboard of said ...
New composite article
Basf Se
October 12, 2017 - N°20170291390

The present invention relates to a composite article comprising at least two layers (a) of component a) and at least one layer (b1) of component b). The respective layers (a) and (b1) are alternately linked together. The component a) has a compressive modulus of at least 10 mpa and can, therefore, be considered as a comparably rigid component, which can be ...
Rotor Blade Patent Pack
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Rotor Blade Patent Applications
Download 317+ Rotor Blade-related PDFs
For professional research & prior art discovery
inventor
  • 317+ full patent PDF documents of Rotor Blade-related inventions.
  • Exact USPTO filing data with full-text, images, drawings & claims.
  • Index pages: Table View and Image-Grid View layouts. All images in each PDF.
Gearbox lubrication system
Bell Helicopter Textron Inc.
October 05, 2017 - N°20170284535

According to one embodiment, a rotorcraft includes a body, a rotor blade, a drive system that can be operated to rotate the rotor blade, and an emergency valve control unit. The drive system contains a first gearbox assembly, a second gearbox assembly, a first lubrication system that can deliver lubricant to the first gearbox assembly, and a second lubrication system ...
Method and control device for measuring a load on a rotor blade of a wind ...
Robert Bosch Gmbh
October 05, 2017 - N°20170284376

A method for measuring a load on a rotor blade of a wind power plant includes deriving a deflection of the rotor blade from an acceleration value, determining a signal drift component of the deflection by using an absolute value, and determining the load by using the signal drift component and the deflection and material characteristics of the rotor blade. ...
Method and arrangement for continuous calibration of a wind direction measurement
Siemens Aktiengesellschaft
October 05, 2017 - N°20170284375

A method for calibrating a wind direction measurement for a wind turbine is provided. The method including: measuring plural samples of a relative wind direction representing a difference angle between a real wind direction and an orientation of a measurement equipment, in particular a direction orthogonal to a rotor blade plane, to obtain plural measured relative wind directions; deriving a ...
Rotor Blade Patent Pack
Download 317+ patent application PDFs
Rotor Blade Patent Applications
Download 317+ Rotor Blade-related PDFs
For professional research & prior art discovery
inventor
  • 317+ full patent PDF documents of Rotor Blade-related inventions.
  • Exact USPTO filing data with full-text, images, drawings & claims.
  • Index pages: Table View and Image-Grid View layouts. All images in each PDF.
Wind turbine rotor blade
Best Blades Gmbh
October 05, 2017 - N°20170284366

A wind turbine rotor blade (1) with a blunt, wide and/or cut off trailing edge (15) in a hub region (111), with an air-conducting channel (23) extending radially outward for conducting suctioned air from a suction region (21) to a blow-out region (22) arranged in the blade tip region (113) inside the wind turbine rotor blade (1), wherein and boundary layer suctioning occurs on the top side (13) ...
Reducing the load of a wind turbine rotor blade during installation
Siemens Aktiengesellschaft
October 05, 2017 - N°20170284362

A method of reducing the load of a rotor blade of a wind turbine during installation of the wind turbine, whereby the rotor blade includes an aerodynamic device such as a vortex generator or a noise reducer is provided. The method includes the steps of attaching a cover on the rotor blade for covering at least a part of the ...
Shield member and jet engine using the same
Ihi Corporation
October 05, 2017 - N°20170284221

A shield member is disposed over a gap between platform portions of adjacent turbine rotor blades, made from a ceramic matrix composite, and configured to shield the gap between the platform portions.
Turbine rotor assembly, turbine, and rotor blade
Mitsubishi Hitachi Power Systems, Ltd.
October 05, 2017 - N°20170284209

A turbine rotor assembly includes a rotor shaft and rotor blades. The rotor shaft includes two protrusions, two bearing surfaces, two first facing surfaces, and two second facing surfaces positioned on the outer side of the first facing surfaces. The blade root section of each of the rotor blades includes two contact surfaces which are contactable with the two bearing ...
Profiled protective tape for rotor blades of wind turbine generators
Mitsubishi Hitachi Power Systems, Ltd.
October 05, 2017 - N°20170283659

Also provided are processes for making profiled tapes and methods for applying the tapes to rotor blades and blades containing protective tapes.
Method of manufacturing a control cuff for a rotor blade of a hinge and bearingless ...
Airbus Helicopters Deutschland Gmbh
October 05, 2017 - N°20170283051

A method of manufacturing a control cuff for a rotor blade of a hinge and bearingless rotor. The method comprises at least the steps of: manufacturing an outer shell, manufacturing a stiffener member by means of an automated process, inserting the stiffener member into the outer shell, and bonding the stiffener member to the outer shell.
Differential pre-cone rotary wing arrangement and aircraft
Sikorsky Aircraft Corporation
October 05, 2017 - N°20170283049

A differential pre-cone rotary wing arrangement includes a first rotor assembly having a first set of rotor blades rotatable about an axis, the first set of rotor blades having a first pre-cone angle, and a second rotor assembly having a second set of rotor blades rotatable about the axis, the second set of rotor blades having a second pre-cone angle, ...
Rotor Blade Patent Pack
Download 317+ patent application PDFs
Rotor Blade Patent Applications
Download 317+ Rotor Blade-related PDFs
For professional research & prior art discovery
inventor
  • 317+ full patent PDF documents of Rotor Blade-related inventions.
  • Exact USPTO filing data with full-text, images, drawings & claims.
  • Index pages: Table View and Image-Grid View layouts. All images in each PDF.
Cmc turbine blade platform damper
General Electric Company
September 28, 2017 - N°20170275999

Damping systems are provided for a rotor blade platform. The damping system may include a blade platform defining a damper pocket and a cmc wedge damper positioned within the damper pocket. The cmc wedge damper has at least one damper angled surface parallel to a longitudinal axis. The damper pocket comprises a pocket angled surface positioned about the at least ...
Blade heater mat insulation
Sikorsky Aircraft Corporation
September 28, 2017 - N°20170275006

A heater mat assembly for a rotor blade spar is provided including a plurality of electrically conductive heater wires extending in a spaced parallel configuration along a path of the rotor blade spar. An electrical current is flowed through the plurality of heater wires to inhibit ice accumulation on a portion of the rotor blade spar. At least one layer ...
Flying machine and flying machine usage method
Fujitsu Limited
September 28, 2017 - N°20170274995

A flying machine includes: a flying machine body that includes a rotor blade; a protective member that forms a frame shape inside which the rotor blade is disposed, that is rotatably fixed to both end portions of the flying machine body, and that is pipe shaped; and a connecting wire that passes through an inner portion of the protective member ...
Rotor, axial compressor, installation method
Siemens Aktiengesellschaft
September 21, 2017 - N°20170268536

A rotor of a multi-staged axial compressor which extends along an axis of rotation. The rotor has a shaft which has rotor blade slots. Rotor blades of the rotor are arranged next to one another in the circumferential direction and are each secured to the rotor blade slots by a blade root to form a respective rotor blade stage. At ...
Method for the individual pitch control of rotor blades of a wind turbine, acceleration sensor ...
Fos4x Gmbh
September 21, 2017 - N°20170268486

The invention relates to a method for the individual pitch control of the rotor blades of a wind turbine. The method comprises: measuring an acceleration by means of an acceleration sensor in a rotor blade of the wind turbine; high-pass filtering of a signal of the acceleration sensor in order to determine a time-variant variable; and setting the pitch of ...
Rotor blade for wind turbines
Nordex Energy Gmbh
September 21, 2017 - N°20170268482

The invention relates to a segmented rotor blade for wind turbines, the segmented rotor blade having spar elements which can be telescoped into one another. According to the invention, in order to screw the telescoped spar elements together, one of the bushes is designed as a slide bush to achieve a better connection of the segmented rotor blades.
Bolted joint for rotor blade segments
Siemens Aktiengesellschaft
September 21, 2017 - N°20170268481

A rotor blade of a wind turbine, wherein the rotor blade includes a first rotor blade segment and a second rotor blade segment is provided. The first rotor blade segment is connected with the second rotor blade segment by at least one bolted joint. The bolted joint includes a first attachment unit, which is attached to the first rotor blade ...
Trailing edge air duct of a wind turbine rotor blade
Siemens Aktiengesellschaft
September 21, 2017 - N°20170268480

A rotor blade of a wind turbine, wherein the rotor blade) includes a suction side, a pressure side, a trailing edge section with a trailing edge, and a leading edge section with a leading edge is provided. The rotor blade furthermore includes an air duct at the trailing edge section which provides a flow path from the pressure side to ...
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